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Cisco 1200 AP error, "Packet to client reached max retries..."

I have a client that is having intermittent connection issues and in the access point log there are hundreds of error messages, "Packet to client xx.xx.xx reached max retries, removing the client." There's a similar client device in the area that has no problems. Does anyone know what might be causing this? I did a carrier busy test on the AP but it didn't look like there was a problem there.

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Re: Cisco 1200 AP error, "Packet to client reached max retries..

The Packet to client xxxx reached max retries, removing the client error message means that the AP disassociates the client because the client did not respond to max keep-alive messages sent by the AP. This can be an indication of a bad RF. Configure this command on the AP in order to eliminate this issue and to enable the client to not lose the connection:

packet retries 128 drop-packet

The increase of packet re-tries to 128 with the drop-packet option is a workaround for the bad RF problem. Refer to Configuring the Maximum Data Retries for more information on this command

http://www.cisco.com/en/US/docs/wireless/access_point/1300/12.3_7_JA/configuration/guide/b37rf.html#wp1062486

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